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PLANETARY REMNANTS AROUND WHITE DWARF STARS
(2015-05-08)
In this dissertation we present the results of four separate searches for infrared excess emission at white dwarf stars. Using spectra from the IRTF and photometry from PAIRITEL, MMT+SWIRC, Gemini+NIRI, and Spitzer+IRAC ...
The Early Instability Scenario for Planet Formation in the Solar System
(2019-05-10)
The leading evolutionary model for the outer solar system, an orbital instability between the solar system’s giant planets, has been shown to greatly disturb the orbits of the young terrestrial planets. Undesirable outcomes ...
Co-Spatial UV-Optical HST/STIS Spectra of Seven Galactic Planetary Nebulae: Nebular and Stellar Properties
(2017)
This project had two main goals: (1) to investigate to what extent planetary nebulae (PNe) are chemically homogeneous; and (2) to provide physical constraints on the central star properties of each PN. The first goal was ...